LMR66430R5RXBR TI Step-Down Converter | 14-VQFN (2.6X2.6) | 36V, 3A

Product Overview

The LMR66430R5RXBR is a high-performance step-down (buck) DC-DC converter from Texas Instruments, designed for industrial and automotive applications. It operates from an input voltage range of 3.5V to 36V and delivers up to 3A of continuous output current. The device is housed in a compact 14-pin VQFN package measuring 2.6mm x 2.6mm, making it ideal for space-constrained designs. With integrated high-side and low-side MOSFETs, the LMR66430R5RXBR achieves high efficiency and simplifies PCB layout.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 3.5V to 36V
• 3A continuous output current
• Integrated MOSFETs with low RDS(on)
• High switching frequency (2.2 MHz) enables small external components
• Peak current mode control for fast transient response
• Spread spectrum for reduced EMI
• Comprehensive protection: overcurrent, overvoltage, undervoltage lockout, thermal shutdown
• Small 14-VQFN package (2.6mm x 2.6mm)

Target Applications

• 5G base station power supplies
• Automotive infotainment and dashboard systems
• Industrial automation and control
• Portable and battery-powered devices
• Networking and telecom equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LMR66430R5RXBR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

LMR66430R5RXBR 是德州儀器（TI）推出的一款高性能降壓（buck）DC-DC轉換器，專為工業和汽車應用設計。其輸入電壓範圍為3.5V至36V，可提供高達3A的連續輸出電流。器件採用緊湊的14引腳VQFN封裝，尺寸僅2.6mm x 2.6mm，非常適合空間受限的設計。通過集成高側和低側MOSFET，LMR66430R5RXBR實現了高效率並簡化了PCB佈局。

詳細技術參數

核心特性

• 寬輸入電壓範圍：3.5V 至 36V
• 3A 連續輸出電流
• 集成低導通電阻 MOSFET
• 高開關頻率（2.2 MHz），支持小型外部元件
• 峰值電流模式控制，快速瞬態響應
• 展頻功能降低 EMI
• 全面保護：過流、過壓、欠壓鎖定、熱關斷
• 小型 14-VQFN 封裝（2.6mm x 2.6mm）

典型應用場景

• 5G 基站電源
• 汽車信息娛樂系統和儀表板
• 工業自動化與控制
• 便攜式和電池供電設備
• 網絡和電信設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LMR66430R5RXBR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]